/**
 * Copyright 2010 - 2017 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package jetbrains.exodus.tree.patricia;

import org.jetbrains.annotations.NotNull;

final class ChildReferenceMutable extends ChildReference {

    @NotNull
    MutableNode child;

    ChildReferenceMutable(byte firstByte, @NotNull final MutableNode child) {
        super(firstByte);
        this.child = child;
    }

    @Override
    boolean isMutable() {
        return true;
    }

    @Override
    @NotNull
    NodeBase getNode(@NotNull final PatriciaTreeBase tree) {
        return child;
    }
}
